we begin tonight with what's happening at the pentagon. >> i'm barbara starr at the pentagon. defense secretary leon panetta was to be home in california in retirement, but now that congress will not deal with the chuck hagel nomination for another ten days, panetta still is on the job. he will travel to brussels for a nato summit to talk about afghanistan and other security issues. when the summit is over on friday, the big question, does he come back to the pentagon or does he try once again to go home to california? >> i'm poppy harlow in new york and while the markets are closed monday for the presidents' day holiday, but when they reopen tuesday, we will get key earnings and economic reports. the latest existing home sales numbers will come out wednesday that will help us see if the housing recovery is continuing because existing home sales account for about 90% of the overall housing market. on the earnings front, we will hear from walmart and marriott and all eyes will be on dell as the computermaker reports its quarterly numbers. founder michael dell has made a $24 bil